74785640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1$

素因数の和:1554

約数の個数: 64

約数和(自身を含む): 178053120

約数和(自身を除く): 103267480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1471, 1640, 2542, 2942, 5084, 5884, 6355, 7355, 10168, 11768, 12710, 14710, 25420, 29420, 45601, 50840, 58840, 60311, 91202, 120622, 182404, 228005, 241244, 301555, 364808, 456010, 482488, 603110, 912020, 1206220, 1824040, 1869641, 2412440, 3739282, 7478564, 9348205, 14957128, 18696410, 37392820, 74785640]

約数ペア:

[(1, 74785640), (2, 37392820), (4, 18696410), (5, 14957128), (8, 9348205), (10, 7478564), (20, 3739282), (31, 2412440), (40, 1869641), (41, 1824040), (62, 1206220), (82, 912020), (124, 603110), (155, 482488), (164, 456010), (205, 364808), (248, 301555), (310, 241244), (328, 228005), (410, 182404), (620, 120622), (820, 91202), (1240, 60311), (1271, 58840), (1471, 50840), (1640, 45601), (2542, 29420), (2942, 25420), (5084, 14710), (5884, 12710), (6355, 11768), (7355, 10168)]